:root {
  --primary-blue: #0066cc;
  --primary-blue-dark: #004499;
  --accent-blue: #00aaff;
  --accent-gold: #ffd700;
  --text-dark: #1a1a1a;
  --text-light: #bbbfc8;
  --bg-light: #f8fafc;
  --bg-white: #ffffff;
  --border-light: #e5e7eb;
  --shadow-light: rgba(0, 0, 0, 0.1);
  --shadow-medium: rgba(0, 0, 0, 0.15);
  --gradient-primary: linear-gradient(135deg, #0066cc, #00aaff);
  --gradient-overlay: linear-gradient(
    135deg,
    rgba(0, 102, 204, 0.9),
    rgba(0, 170, 255, 0.8)
  );
}

* {
  margin: 0;
  padding: 0;
  box-sizing: border-box;
}

body {
  font-family: "Inter", -apple-system, BlinkMacSystemFont, sans-serif;
  line-height: 1.6;
  color: var(--text-dark);
  overflow-x: hidden;
}

img {
  user-select: none;
  -webkit-user-select: none;
  -moz-user-select: none;
  -ms-user-select: none;
}

/* Premium Navbar */
.navbar {
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  background: rgba(255, 255, 255, 0.05);
  border-bottom: 1px solid rgba(255, 255, 255, 0.1);
  transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

.navbar.scrolled {
  background: rgba(255, 255, 255, 0.95);
  backdrop-filter: blur(20px);
  box-shadow: 0 8px 32px var(--shadow-light);
}

.nav-container {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  display: flex;
  justify-content: space-between;
  align-items: center;
  height: 80px;
}

.logo {
  font-size: 1.5rem;
  font-weight: 700;
  color: white;
  text-decoration: none;
  letter-spacing: -0.02em;
  transition: all 0.3s ease;
  position: relative;
}

.navbar.scrolled .logo {
  color: var(--text-dark);
}

.logo::after {
  content: "";
  position: absolute;
  bottom: -4px;
  left: 0;
  width: 0;
  height: 2px;
  background: var(--gradient-primary);
  transition: width 0.3s ease;
}

.logo:hover::after {
  width: 100%;
}

.nav-links {
  display: flex;
  list-style: none;
  gap: 0.5rem;
}

.nav-links li a {
  display: block;
  padding: 0.75rem 1.5rem;
  color: rgba(255, 255, 255, 0.9);
  text-decoration: none;
  font-weight: 500;
  font-size: 0.95rem;
  border-radius: 12px;
  transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  position: relative;
  overflow: hidden;
}

.navbar.scrolled .nav-links li a {
  color: var(--text-dark);
}

.nav-links li a:hover {
  background: rgba(255, 255, 255, 0.15);
  color: white;
  transform: translateY(-2px);
  box-shadow: 0 8px 25px var(--shadow-medium);
}

.navbar.scrolled .nav-links li a:hover {
  background: var(--bg-light);
  color: var(--text-dark);
}

.nav-links li a.active {
  background: var(--gradient-primary);
  color: white;
  box-shadow: 0 4px 15px rgba(0, 170, 255, 0.3);
}

.nav-toggle {
  display: none;
  background: none;
  border: none;
  color: white;
  font-size: 1.5rem;
  cursor: pointer;
  padding: 0.5rem;
  border-radius: 8px;
  transition: all 0.3s ease;
}

.navbar.scrolled .nav-toggle {
  color: var(--text-dark);
}

.hamburger {
  display: flex;
  flex-direction: column;
  width: 24px;
  height: 18px;
  justify-content: space-between;
}

.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: currentColor;
  border-radius: 2px;
  transition: all 0.3s ease;
}

/* Hero Section */
.hero-section {
  height: 100vh;
  background: linear-gradient(rgba(0, 0, 0, 0.4), rgba(0, 0, 0, 0.4)),
    url("Images/extensions2.png");
  background-size: cover;
  background-position: center;
  display: flex;
  align-items: center;
  position: relative;
  color: white;
  overflow: hidden;
}

.hero-content {
  max-width: 1400px;
  margin: 0 auto;
  padding: 0 2rem;
  z-index: 2;
}

.hero-content h1 {
  font-size: clamp(2.5rem, 8vw, 5rem);
  font-weight: 800;
  line-height: 1.1;
  margin-bottom: 1.5rem;
  text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.hero-content .subtitle {
  font-size: clamp(1.1rem, 3vw, 1.5rem);
  font-weight: 400;
  margin-bottom: 2rem;
  opacity: 0.9;
  max-width: 600px;
}

.hero-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--gradient-primary);
  color: white;
  padding: 1rem 2rem;
  text-decoration: none;
  border-radius: 12px;
  font-weight: 600;
  font-size: 1.1rem;
  transition: all 0.3s ease;
  box-shadow: 0 4px 15px rgba(0, 170, 255, 0.3);
}

.hero-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 170, 255, 0.4);
}

.hero-stats {
  display: flex;
  gap: 2rem;
  margin-top: 3rem;
}

.stat-item {
  text-align: center;
}

.stat-number {
  font-size: 2.5rem;
  font-weight: 700;
  color: var(--accent-gold);
  display: block;
}

.stat-label {
  font-size: 0.9rem;
  opacity: 0.8;
}

/* Services Section */
.services-section {
  padding: 6rem 2rem;
  background: var(--bg-light);
}

.services-container {
  max-width: 1400px;
  margin: 0 auto;
}

.section-header {
  text-align: center;
  margin-bottom: 4rem;
}

.section-header h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.section-header p {
  font-size: 1.2rem;
  color: var(--text-light);
  max-width: 600px;
  margin: 0 auto;
}

.service-cards {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
}

.service-card {
  background: white;
  border-radius: 20px;
  padding: 2rem;
  box-shadow: 0 10px 30px var(--shadow-light);
  transition: all 0.3s ease;
  position: relative;
  overflow: hidden;
}

.service-card::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: var(--gradient-primary);
}

.service-card:hover {
  transform: translateY(-10px);
  box-shadow: 0 20px 40px var(--shadow-medium);
}

.service-icon {
  width: 60px;
  height: 60px;
  background: var(--gradient-primary);
  border-radius: 16px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-bottom: 1.5rem;
  color: white;
  font-size: 1.5rem;
}

.service-card h3 {
  font-size: 1.5rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 1rem;
}

.service-card p {
  color: var(--text-light);
  margin-bottom: 1.5rem;
  line-height: 1.6;
}

.service-button {
  display: inline-flex;
  align-items: center;
  gap: 0.5rem;
  background: var(--gradient-primary);
  color: white;
  padding: 0.75rem 1.5rem;
  text-decoration: none;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.9rem;
  transition: all 0.3s ease;
}

.service-button:hover {
  transform: translateX(5px);
}

/* About Section */
.about-section {
  padding: 6rem 2rem;
  background: var(--gradient-primary);
  color: white;
}

.about-container {
  max-width: 1400px;
  margin: 0 auto;
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  align-items: center;
}

.about-content h2 {
  font-size: clamp(2rem, 5vw, 3rem);
  font-weight: 700;
  margin-bottom: 2rem;
}

.about-content p {
  font-size: 1.1rem;
  line-height: 1.8;
  margin-bottom: 1.5rem;
  opacity: 0.9;
}

.about-features {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 1.5rem;
  margin-top: 2rem;
}

.feature-item {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.feature-icon {
  width: 40px;
  height: 40px;
  background: rgba(255, 255, 255, 0.2);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
}

.about-visual {
  background: rgba(255, 255, 255, 0.1);
  border-radius: 20px;
  padding: 2rem;
  backdrop-filter: blur(10px);
  text-align: center;
}

.about-visual h3 {
  font-size: 1.5rem;
  margin-bottom: 1rem;
}

.experience-highlight {
  font-size: 4rem;
  font-weight: 700;
  color: var(--accent-gold);
  display: block;
  margin-bottom: 0.5rem;
}

/* Before/After Section */
.before-after-section {
  padding: 6rem 2rem;
  background: white;
}

.before-after-container {
  max-width: 1400px;
  margin: 0 auto;
}

.comparison-wrapper {
  max-width: 800px;
  margin: 0 auto;
  position: relative;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: 0 20px 40px var(--shadow-medium);
  margin-top: 50px;
}

.before-after-slider {
  position: relative;
  height: 500px;
  overflow: hidden;
}

.before-image,
.after-image {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
}

.before-image img,
.after-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.before-image {
  overflow: hidden;
}

.slider-handle {
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 60px;
  height: 60px;
  background: white;
  border-radius: 50%;
  border: 3px solid var(--primary-blue);
  cursor: ew-resize;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 15px var(--shadow-medium);
  transition: transform 0.3s ease;
}

.slider-handle:hover {
  transform: translate(-50%, -50%) scale(1.1);
}

.slider-handle::before {
  content: "";
  position: absolute;
  top: 50%;
  left: 50%;
  transform: translate(-50%, -50%);
  width: 2px;
  height: 100vh;
  background: white;
  z-index: -1;
}

.slider-labels {
  position: absolute;
  top: 20px;
  left: 20px;
  right: 20px;
  display: flex;
  justify-content: space-between;
  z-index: 5;
}

.slider-handle.resize {
  transition: none;
}

.label {
  background: rgba(0, 0, 0, 0.7);
  color: white;
  padding: 0.5rem 1rem;
  border-radius: 8px;
  font-weight: 500;
  font-size: 0.9rem;
}

/* Testimonials Section */
.testimonials-section {
  padding: 6rem 2rem;
  background: var(--bg-light);
}

.testimonials-container {
  max-width: 1400px;
  margin: 0 auto;
}

.testimonial-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(350px, 1fr));
  gap: 2rem;
  margin-top: 3rem;
}

.testimonial-card {
  background: white;
  padding: 2rem;
  border-radius: 20px;
  box-shadow: 0 10px 30px var(--shadow-light);
  position: relative;
  transition: all 0.3s ease;
}

.testimonial-card:hover {
  transform: translateY(-5px);
  box-shadow: 0 20px 40px var(--shadow-medium);
}

.quote-icon {
  position: absolute;
  top: -10px;
  left: 2rem;
  width: 40px;
  height: 40px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
}

.testimonial-text {
  font-style: italic;
  font-size: 1.1rem;
  line-height: 1.6;
  margin-bottom: 1.5rem;
  color: var(--text-dark);
}

.client-info {
  display: flex;
  align-items: center;
  gap: 1rem;
}

.client-avatar {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-weight: 600;
  font-size: 1.2rem;
}

.client-details h4 {
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.25rem;
}

.client-details p {
  color: var(--text-light);
  font-size: 0.9rem;
}

/* Footer */
footer {
  background: var(--text-dark);
  color: white;
  padding: 3rem 2rem 1rem;
  text-align: center;
}

.footer-content {
  max-width: 1400px;
  margin: 0 auto;
}

.footer-info {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.footer-section h3 {
  color: var(--accent-gold);
  margin-bottom: 1rem;
}

.footer-section p,
.footer-section a {
  color: rgba(255, 255, 255, 0.8);
  text-decoration: none;
  line-height: 1.6;
}

.footer-section a:hover {
  color: white;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 2rem;
  margin-top: 2rem;
}
/* Contact Section Styles */
.contact-section {
  padding: 6rem 2rem;
  background: var(--bg-light);
}

.contact-container {
  max-width: 1400px;
  margin: 0 auto;
}

.contact-content {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 4rem;
  margin-top: 3rem;
}

.contact-info h3 {
  font-size: 1.8rem;
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 2rem;
}

.contact-item {
  display: flex;
  align-items: center;
  gap: 1rem;
  margin-bottom: 2rem;
}

.contact-icon {
  width: 50px;
  height: 50px;
  background: var(--gradient-primary);
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  color: white;
  font-size: 1.2rem;
}

.contact-details h4 {
  font-weight: 600;
  color: var(--text-dark);
  margin-bottom: 0.25rem;
}

.contact-details p {
  color: var(--text-light);
}

.contact-form {
  background: white;
  padding: 2rem;
  border-radius: 20px;
  box-shadow: 0 10px 30px var(--shadow-light);
}

.form-group {
  margin-bottom: 1.5rem;
}

.form-group input,
.form-group select,
.form-group textarea {
  width: 100%;
  padding: 1rem;
  border: 2px solid var(--border-light);
  border-radius: 8px;
  font-size: 1rem;
  transition: all 0.3s ease;
  background: white;
}

.form-group input:focus,
.form-group select:focus,
.form-group textarea:focus {
  outline: none;
  border-color: var(--primary-blue);
  box-shadow: 0 0 0 3px rgba(0, 102, 204, 0.1);
}

.submit-button {
  width: 100%;
  padding: 1rem;
  background: var(--gradient-primary);
  color: white;
  border: none;
  border-radius: 8px;
  font-size: 1.1rem;
  font-weight: 600;
  cursor: pointer;
  transition: all 0.3s ease;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 0.5rem;
}

.submit-button:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 25px rgba(0, 170, 255, 0.4);
}

.submit-button:disabled {
  opacity: 0.7;
  cursor: not-allowed;
  transform: none;
}

@media (max-width: 768px) {
  .contact-content {
    grid-template-columns: 1fr;
    gap: 2rem;
  }
}

/* Responsive Design */
@media (max-width: 768px) {
  .nav-container {
    padding: 0 1rem;
  }

  .nav-toggle {
    display: block;
  }

  .nav-links {
    position: fixed;
    top: 80px;
    right: -100%;
    width: 100%;
    height: calc(100vh - 80px);
    background: rgba(0, 0, 0, 0.95);
    backdrop-filter: blur(20px);
    flex-direction: column;
    justify-content: flex-start;
    align-items: center;
    padding: 2rem 0;
    gap: 1rem;
    transition: right 0.3s ease;
  }

  .nav-links.active {
    right: 0;
  }

  .nav-links li a {
    padding: 1rem 2rem;
    font-size: 1.1rem;
    width: 200px;
    text-align: center;
  }

  .hero-content {
    margin-top: 100px;
  }

  .hero-stats {
    flex-direction: column;
    gap: 1rem;
  }

  .about-container {
    grid-template-columns: 1fr;
    gap: 3rem;
  }

  .about-features {
    grid-template-columns: 1fr;
  }

  .service-cards {
    grid-template-columns: 1fr;
  }

  .testimonial-grid {
    grid-template-columns: 1fr;
  }

  .footer-info {
    grid-template-columns: 1fr;
    text-align: left;
  }
}

/* Animations */
@keyframes fadeInUp {
  from {
    opacity: 0;
    transform: translateY(30px);
  }
  to {
    opacity: 1;
    transform: translateY(0);
  }
}

.animate-on-scroll {
  opacity: 0;
  transform: translateY(30px);
  transition: all 0.6s ease;
}

.animate-on-scroll.visible {
  opacity: 1;
  transform: translateY(0);
}